Microsoft released this KB to address some issues with the patches August patches.
KB4512534 for Windows 10 version 1809 fixes VB bug & more
Will this be released by BigFix? If so, When?
Yes, these new updates will be released by BigFix.
The team is hoping to release these some time tomorrow, August 20.
@kmacuspie1, fixlets for KB4512534 have been released.